Frequencies for first 10,000 rows of rx8v3c2 variable in nhamcsopd2008 dataset :

   for rx8, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,939       99.39       99.39
        174 |          4        0.04       99.43
        180 |          2        0.02       99.45
        186 |          1        0.01       99.46
        198 |          7        0.07       99.53
        203 |          4        0.04       99.57
        210 |          1        0.01       99.58
        211 |         24        0.24       99.82
        292 |          1        0.01       99.83
        301 |          3        0.03       99.86
        385 |          6        0.06       99.92
        387 |          1        0.01       99.93
        388 |          2        0.02       99.95
        389 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016